After Signing for Ten Years, Aliens Invaded!

In the early 22nd century, China was the first to leave the solar system, bringing back the secrets of the evolution of races in the universe, and at the same time exposing the location of the earth. So aliens invaded and the end of the earth came. Xia Chuan was reborn and returned to the ten years before the end of the earth, and obtained the sign-in system. "Sign in successfully and get an article on the supreme cultivation method of the universe." "Sign in successfully and get a Broken War Knife." "Sign in successfully and get a space battleship." Ten years later, when aliens from the universe came again, Xia Chuan faced an army of millions of monsters with one sword and one man: "This road is blocked." The introduction is weak, please read the text. The cover was changed after the contract was signed. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.